CN211343492U

CN211343492U - Water-activating pump cover with water-retaining flow guide structure and water-activating pump

Info

Publication number: CN211343492U
Application number: CN201921995623.1U
Authority: CN
Inventors: 孙兴; 梁繁荣
Original assignee: Zhongshan Ruijeep Electrical Co ltd
Current assignee: Zhongshan Ruijeep Electrical Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-08-25
Anticipated expiration: 2029-11-16

Abstract

The utility model belongs to the technical field of running water pump, especially, relate to running water pump cover and have running water pump of this pump cover with manger plate water conservancy diversion structure. The pump cover body is provided with a water inlet and a water outlet, the inner wall of the water inlet is provided with a water retaining part which protrudes inwards and is used for preventing water flow from entering a gap between the peripheral wall of the water inlet of the impeller and the inner wall of the water inlet, and the inner peripheral surface of the water retaining part is an inclined flow guide structure for guiding the water flow to the water inlet of the impeller. It is to traditional manger plate portion, in this scheme water inlet bore size is made generous convenient heavy current to flow in the pump body as far as possible, and when blocking the gap that the rivers can flow between impeller water inlet perisporium and the inside perisporium of water inlet through manger plate portion, through the water inlet of oblique water conservancy diversion structure with the interior rivers direct direction of water inlet to impeller to subtract because of the resistance that manger plate portion blockked rivers and produce, make water inlet play rivers faster, thereby promote the holistic pressurization of the pump body and carry the effect.

Description

Water-activating pump cover with water-retaining flow guide structure and water-activating pump

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of running water pump, especially, relate to running water pump cover and have running water pump of this pump cover with manger plate water conservancy diversion structure.

[ background of the invention ]

A live water pump is a machine that delivers or pressurizes a liquid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, causing the liquid energy to increase. With the development of social economy and the improvement of living standard of people, people use the live water pump which can be used for water flow circulation and water flow massage on household appliances such as vegetable washing machines, dish washing machines and the like.

To current axial-flow pump, the water inlet on its pump cover is relative with the axial water inlet of impeller, nevertheless because pump cover and impeller generally contactless, lead to leaving the gap between impeller and the pump cover, the rivers that flow in from the water inlet have the part can directly flow away through this gap, it is not enough not lead to falling the rivers water pressure of output through the impeller, so current generally can set up with bellied manger plate portion, but relative, the rivers of inflow can block than bellied manger plate portion, influence the velocity of flow of rivers, finally influence the pressure boost of impeller.

[ summary of the invention ]

In order to solve the problem that the manger plate portion on the running water pump cover among the prior art can play certain hindrance to the rivers that flow in, the utility model provides a running water pump cover with manger plate water conservancy diversion structure and the running water pump that has this pump cover.

The utility model discloses realized by following technical scheme:

the running water pump cover with the water retaining and flow guiding structure comprises a pump cover body, wherein a water inlet and a water outlet are formed in the pump cover body, the pump cover body is installed on a pump body, the water inlet is opposite to an impeller water inlet in the pump body, an inward bulge is formed in the inner wall of the water inlet and used for preventing water flow from entering a water retaining portion in a gap between the peripheral wall of the impeller water inlet and the inner wall of the water inlet, and the inner peripheral surface of the water retaining portion is an oblique flow guiding structure for guiding the water flow to the impeller water inlet.

According to the pump cover of the running water pump with the water retaining and flow guiding structure, the cross section of the water retaining part is in the shape of a horn mouth, and the caliber of the water retaining part gradually decreases from the water inflow direction to the large diameter.

According to the pump cover of the running water pump with the water retaining and flow guiding structure, the height of one side, opposite to the impeller water inlet, of the water retaining part is higher than or equal to the inner wall surface of the impeller water inlet.

When the pump cover body is arranged on the pump body, a gap is reserved between the water retaining part and the water inlet of the impeller.

The running water pump cover with the water retaining and guiding structure is characterized in that the pump cover body is provided with a sunken cavity, the water inlet is communicated with the cavity and is arranged on the end face of the pump cover body to extend towards one side, the water outlet is arranged on the circumferential surface of the pump cover body, and the orientation of the water outlet is the tangential direction along the pump cover body.

According to the water activating pump cover with the water retaining and guiding structure, the outer surface of the pump cover body is provided with the hanging lug installation part extending along one side opposite to the water inlet.

According to the water activating pump cover with the water retaining and guiding structure, the axis of the water outlet is obliquely arranged with the mounting plane of the pump cover body.

According to the pump cover of the running water pump with the water retaining and guiding structure, the angle between the axis of the water outlet and the installation plane is 13-20 degrees.

The water pump cover with the water retaining and guiding structure is characterized in that the water outlet is a main water outlet connected with a main spray arm water pipe, and the pump cover body is also provided with an auxiliary water outlet connected with an auxiliary spray arm water pipe.

According to the running water pump cover with the water retaining and guiding structure, the axis of the auxiliary water outlet is obliquely arranged with the mounting plane of the pump cover body.

The water activating pump comprises a pump body, and the pump cover of the water activating pump with the water retaining and flow guiding structure is connected to the pump body.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model provides a running water pump cover with manger plate water conservancy diversion structure, it is to traditional manger plate portion, this scheme water inlet bore size is big convenient big rivers as far as possible and flows into the pump body in, and when blocking the gap that the rivers can flow between impeller water inlet perisporium and the inside perisporium of water inlet through manger plate portion, through the water inlet of oblique water conservancy diversion structure with the direct direction of the intraoral rivers of intaking to impeller, thereby the resistance that blocks rivers and produce because of manger plate portion has been subtracted, make water inlet play rivers faster, thereby promote the holistic pressurization of the pump body and carry the effect.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic structural diagram I of a running water pump of the present invention;

FIG. 2 is an exploded view of the structure of the water pump of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a first schematic structural diagram of a pump cover;

FIG. 5 is a schematic structural view II of the running water pump;

FIG. 6 is a second schematic structural view of the pump cover;

FIG. 7 is a third schematic structural view of a pump cover;

fig. 8 is a fourth schematic structural diagram of the pump cover.

[ detailed description ] embodiments

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 8, the water-activating pump cover with a water-blocking flow-guiding structure comprises a pump cover body 1, wherein a water inlet 101 and a water outlet 102 are arranged on the pump cover body 1, when the pump cover body 1 is installed on a pump body 9, the water inlet 101 is opposite to an impeller water inlet 71 on the pump body 9, a water-blocking portion 1011 which protrudes inwards and is used for blocking water flow from entering a gap 910 between the peripheral wall of the impeller water inlet 71 and the inner wall of the water inlet 101 is arranged on the inner wall of the water inlet 101, and the inner peripheral surface of the water-blocking portion 1011 is an oblique flow-guiding structure which guides the water flow. The utility model provides a running water pump cover with manger plate water conservancy diversion structure, it is to traditional manger plate portion, this scheme water inlet bore size is big convenient big rivers as far as possible and flows into the pump body in, and when blocking the gap that the rivers can flow between impeller water inlet perisporium and the inside perisporium of water inlet through manger plate portion, through the water inlet of oblique water conservancy diversion structure with the direct direction of the intraoral rivers of intaking to impeller, thereby the resistance that blocks rivers and produce because of manger plate portion has been subtracted, make water inlet play rivers faster, thereby promote the holistic pressurization of the pump body and carry the effect.

Further, as shown in fig. 3, the water blocking portion 1011 has a bell mouth shape whose diameter gradually decreases from the water inflow direction. The size of the end face of the water retaining plate is reduced, and the section of the bell mouth shape is utilized to lead water flow into the water inlet of the impeller along the inclined plane, so that the caliber of the water inlet is increased to the maximum extent, and the resistance to the water flow is reduced.

Further, the height of the water blocking portion 1011 opposite to the impeller water inlet 71 is higher than or equal to the inner wall surface of the impeller water inlet 71. In this scheme, water blocking portion 1011 is the annular bulge, and its height is the bellied internal diameter of annular, and the internal diameter that is higher than impeller water inlet 71 is equivalent to the bellied internal diameter of annular and is less than the bore of impeller water inlet to conveniently with leading-in the impeller water inlet of the rivers biggest of water inlet 101 department. However, if the height of the protrusion is too high, the water flow is affected, and if the height of the protrusion is too low, the water cannot be retained. So this scheme sets up the bore that highly and impeller water inlet held level mutually.

When the pump cover body 1 is mounted on the pump body 9, a gap is left between the water blocking portion 1011 and the impeller water inlet 71. Because the impeller rotates at a high speed during working, the pump cover can vibrate easily if no gap is arranged, and the pump body is generally installed in the electric appliance through the pump cover, so that a gap is reserved between the pump cover and the impeller, and the shock absorption is facilitated.

Still further, as shown in fig. 4 to 8, the pump cover body 1 is provided with a recessed cavity 11, the water inlet 101 is communicated with the cavity 11 and is formed in the end surface of the pump cover body 1 to extend towards one side, the water outlet 102 is formed in the circumferential surface of the pump cover body 1, and the direction of the water outlet 102 is along the tangential direction of the pump cover body 1. The water flow is opposite to the water flow flowing out in the tangential direction when the water flows out in the radial direction of the impeller. So that the water flow is directly output.

Still further, the outer peripheral surface of the pump cover body 1 is provided with a hanger mounting part 2 extending along the side opposite to the water inlet 101. After the general pump cover is installed on the pump body, the pump cover is installed inside the equipment through the hanging lug installation part.

In addition, as shown in fig. 5, the axis of the water outlet 102 is inclined with respect to the mounting plane of the pump cover body 1. This is to present small household electrical appliances integrated volume littleer and littleer, its installation space is also compressed naturally, traditional pump body installation back, its delivery port and mounting plane level or slope slightly, the angle of the slope that this scheme enlarges, the tip that makes the back delivery port of having installed increases with mounting plane's distance, thereby leave sufficient installation or the space of dismantling, simple structural change reaches this effect, be favorable to installation and later maintenance to dismantle, and reducible installation space's of reserving size moreover, can further make the structure more compact.

Specifically, the angle between the axis of the water outlet 102 and the installation plane 5 is 13-20 degrees. In the figure, the included angle a is the included angle between the axis of the water outlet and the parallel line of the mounting plane. Since the entire outlet 102 has a certain length, the inclination of the angle can make the front end of the outlet spaced from the installation plane enough to facilitate subsequent installation. In this embodiment, the setting angle is 15 °.

Still further, the water outlet 102 is a main water outlet connected with a main spray arm water pipe, and the pump cover body 1 is further provided with an auxiliary water outlet 1021 connected with an auxiliary spray arm water pipe. It increases vice delivery port on the pump cover, forms two delivery ports with main delivery port to supply a plurality of spray arms to use, two delivery ports all are relative with the radial play water direction of impeller moreover, make the rivers water pressure of its output satisfy the use that sprays of spray arm, can not lead to the problem that water pressure descends because of the reposition of redundant personnel, thereby adopt a running water pump just can supply two spray arms to use.

More specifically, the front end of the water outlet 102 is a ring-shaped connecting portion 102 a. The quick connection device is used for being quickly connected with an output pipeline and is convenient to install quickly. For example, when the device is applied to a dishwasher, the device is connected with a water pipe of a spray arm.

Moreover, a water outlet channel 102b connected with the cavity 11 and extending outward along the tangential direction of the outer periphery of the pump cover body 1 is arranged in the water outlet 102, and the cross-sectional shape of the water outlet channel 102b is a strip shape with straight edges at the upper and lower sides and circular arc edges at the left and right sides. The flow channel is equivalent to a flat water outlet channel, the sectional area of the flow channel is compressed, so that the flow of water passing through the flow channel is accelerated, and the flow channel is quick to flow due to a simple structure.

And the axis of the auxiliary water outlet 1021 and the mounting plane of the pump cover body 1 are arranged in an inclined manner. The water outlet device has the same function as the water outlet, and the installation position is convenient to reserve.

Still further, as shown in fig. 7 and 8, an annular water outlet channel 11a is disposed on the inner wall of the cavity 11, and the water radially output by the impeller directly flows out from the water outlet 102 or forms a spiral water flow around the inner wall of the cavity 11 and then flows out from the water outlet 102. It is through setting up annular water outlet flow channel in the pump cover cavity, the inboard planar structure that is of traditional pump cover has been replaced, the impeller is from radial output's pressure boost rivers after the impeller pressure boost with the rivers that the axial flowed in at the during operation, part is direct to be exported through the delivery port, and part flows to the rivers on the pump cover inner wall, it flows in annular water outlet flow channel to be driven, and form heliciform rivers in the cavity along this annular water outlet flow channel, finally flow from the delivery port, and form heliciform rivers, the rivers that are favorable to driving the continuous output of impeller flow along with it, make the water conservancy diversion to the rivers velocity of flow of delivery port department faster, water pressure is bigger.

Specifically, the annular water outlet channel 11a includes a starting end 11a1 located on one side of the inner end of the water inlet 101, and the starting end 11a1 has an annular guiding groove which is formed along the outer circumference of the water inlet 101 and is inclined downwards in a spiral manner, and the depth of the annular guiding groove is gradually increased from the starting end 11a1 to the water outlet 12 in the inner cavity 11. Equivalently, the annular diversion groove is gradually deepened along the axial depth, part of water flow output from the impeller directly flows to the water outlet, and the rest of water flow falls into the annular diversion groove, flows along the annular diversion groove and finally flows out of the water outlet.

Still further, the starting end 11a1 is close to the water outlet 102, and a side surface of the starting end 11a1 forms a water blocking end surface 11a 2. The height of the water retaining end face 11a2, namely the distance from the highest point of the starting end to the lowest point of the tail end of the annular diversion trench, enables part of water flow output from the impeller to directly flow out of the water outlet after being blocked by the water retaining end face, and part of the water flow passing through the annular water outlet flow channel finally flows to the tail end and can be guided to the water retaining end face, so that the water flow is forced to flow out of the water outlet, the water flow is prevented from flowing back into the annular water outlet flow channel, and the working efficiency of the pump body is improved.

The utility model provides a running water pump cover with manger plate water conservancy diversion structure, it is to traditional manger plate portion, this scheme water inlet bore size is big convenient big rivers as far as possible and flows into the pump body in, and when blocking the gap that the rivers can flow between impeller water inlet perisporium and the inside perisporium of water inlet through manger plate portion, through the water inlet of oblique water conservancy diversion structure with the direct direction of the intraoral rivers of intaking to impeller, thereby the resistance that blocks rivers and produce because of manger plate portion has been subtracted, make water inlet play rivers faster, thereby promote the holistic pressurization of the pump body and carry the effect.

The foregoing is illustrative of one embodiment provided in connection with the detailed description and is not intended to limit the invention to the specific embodiment described. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.

Claims

1. The running water pump cover with the water retaining diversion structure is characterized by comprising a pump cover body (1), wherein a water inlet (101) and a water outlet (102) are formed in the pump cover body (1), when the pump cover body (1) is installed on a pump body (9), an impeller water inlet (71) in the water inlet (101) and the pump body (9) is opposite to each other, a water retaining portion (1011) which is inwards protruded and used for blocking water flow entering a gap (910) between the peripheral wall of the impeller water inlet (71) and the inner wall of the water inlet (101) is formed in the inner wall of the water inlet (101), and the inner peripheral surface of the water retaining portion (1011) is an oblique diversion structure which guides the water flow to the impeller water inlet (71).

2. The running water pump cover with the water retaining and flow guiding structure as claimed in claim 1, wherein the cross section of the water retaining portion (1011) is in a bell mouth shape with the caliber gradually decreasing from the water inflow direction.

3. The running water pump cover with the water retaining and guiding structure as claimed in claim 1, wherein the water retaining portion (1011) is higher than or equal to the inner wall surface of the impeller water inlet (71) at the side opposite to the impeller water inlet (71).

4. The running water pump cover with the water retaining and guiding structure as claimed in claim 1, wherein when the pump cover body (1) is mounted on the pump body (9), a gap is left between the water retaining portion (1011) and the impeller water inlet (71).

5. The running water pump cover with the water retaining and guiding structure according to claim 1, wherein the pump cover body (1) is provided with a recessed cavity (11), the water inlet (101) is communicated with the cavity (11) and is formed in the end surface of the pump cover body (1) to extend towards one side, the water outlet (102) is formed in the circumferential surface of the pump cover body (1), and the direction of the water outlet (102) is along the tangential direction of the pump cover body (1).

6. The running water pump cover with the water retaining and guiding structure as claimed in claim 5, characterized in that the outer surface of the pump cover body (1) is provided with a lug installation part (2) extending along the side opposite to the water inlet (101).

7. The running water pump cover with the water retaining and flow guiding structure as claimed in claim 5, wherein the axis of the water outlet (102) is arranged obliquely to the mounting plane of the pump cover body (1).

8. The running water pump cover with the water retaining and guiding structure as claimed in claim 7, wherein the angle between the axis of the water outlet (102) and the installation plane is 13-20 °.

9. The running water pump cover with the water retaining and guiding structure according to claim 7, wherein the water outlet (102) is a main water outlet connected with a main spray arm water pipe, and the pump cover body (1) is further provided with an auxiliary water outlet (1021) connected with an auxiliary spray arm water pipe.

10. The water activating pump is characterized by comprising a pump body (9), wherein the pump body (9) is connected with a water activating pump cover with a water retaining flow guide structure according to any one of claims 1 to 9.